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cies·

I did not read the article... But this is what I think is the reason:

> As the speed increases, the air resistance increases exponentially.

If you want faster travel, look at Hyperloop (in near vacuum iirc).

Or how to make passing TSA less of a time sink :)

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For a variety of reasons, I still leave a fair bit of slack at the airport but with pre-check, TSA is usually not a big deal.

Still, major airports all want you to arrive quite a long time before your flight's scheduled departure.

Not much point in spending $$$$ on fuel to knock an hour off a 4-hour flight, if I end up with an hour-long wait at each end.

I don't really care what the airport wants. But stuff happens--e.g. there's construction in the tunnel leading to the airport or there's a holdup of some sort--so I essentially always arrive much earlier than I need to. I hate stressing myself for maybe a bit more sleep in the morning.

> Still, major airports all want you to arrive quite a long time before your flight's scheduled departure.

I think they still encourage this so that you'll spend $$ at the airport (the longer you're there, the more likely you are to spend), which is a major source of revenue these days.

Except that sometimes the Precheck line is longer than the regular line. Has happened to me a number of times. I still stay in the precheck line because I don't want to take off my shoes, but as precheck becomes more popular, the speed advantages decrease.

Or, literally, go ballistic. :-)

TSA pre-check is there.

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